Yes. Geographic Distribution. … Myriophyllum verticillatum: lower bracts of inflorescence 2 or more times as long as the flowers or fruits, prominently toothed to lobed, upper bracts of inflorescence toothed to lobed (vs. M. spicatum, with lower bracts of inflorescence less than 2 times as long as the flowers or fruits, upper bracts of inflorescence entire to minutely toothed). One of the reasons why this species of milfoil is so invasive is because it can survive in any climate, including under frozen lakes. Wisconsin Department of Natural Resources. (Myriophyllum spicatum) Photo credit: Alison Fox, University of Florida, Bugwood.org An emergent, herbaceous aquatic plant, Eurasian watermilfoil, usually extends 3 to … Integrated Taxonomic Information System. Negative: On May 26, 2006, RyanUWRF from Cameron, WI wrote: This plant may help improve fishing, but it is very degrading to lakes. ... (Myriophyllum spicatum) - Invading Species - WDNR." I find this species very cool and highly interesting. Eurasian […] Invasive Species - (Myriophyllum spicatum) Restricted in Michigan Eurasian Watermilfoil is an aquatic plant with stems that are whitish-pick to reddish-brown, leaves that are greyish-green with finely divided pairs of leaflets that are 1/2 - 2 inches long that give the plant a feathery appearance. M. spicatum (spiked watermilfoil) is an invasive submerged aquatic weed characteristic of temperate regions, as far north as the UK and Canada, and as far south as South Africa. The leaves are arranged in whorls of 3-6. Myriophyllum spicatum Photo courtesy Joseph DiTomaso. Summary of Invasiveness Top of page. Potential environmental impacts and economic damages of Eurasian watermilfoil (Myriophyllum spicatum) in western Nevada and northeastern California. Spike Water milfoil (Myriophyllum spicatum) Native floating plants. Eurasian watermilfoil can be found in freshwater lakes, ponds, and canals with slow-moving waters in northern and central California, particularly in the San Francisco Bay and San Joaquin … Myriophyllum spicatum L. Water milfoil family (Halogoraceae) Origin: Eurasia and Africa Background Introduced accidentally from Eurasia in the 1940s, Eurasian water-milfoil possibly escaped from an aquarium or was brought in on a commercial or private boat. Where do they come from and how do they spread? Myriophyllum spicatum. Eurasian Watermilfoil Myriophyllum spicatum is naturalized in Texas and other States and is considered an invasive plant in Texas. Scientific name: Myriophyllum spicatum What Is It? It can tolerate a range of salinity, acidity, and temperature. In the State of Wisconsin this is high priority invasive … Eurasian Water-milfoil is a seriously problematic aquatic invasive species. Yellow water lily (Nuphar lutea) White water lily (Nymphaea alba) Broad leaved pondweed (Potamogeton natans) Importance of controlling invasive aquatic species. Eurasian watermilfoil (myriophyllum spicatum), the more aggressive colonizer of the two, has been found in several Maine water bodies. M. spicatum has been found to hybridize with native M. sibiricum (producing M. sibricum X spicatum) with an intermediate number of leaf segments. Eurasian Water-Milfoil. Common names: spike watermilfoil Myriophyllum spicatum (Eurasian watermilfoil) is a common submersed aquatic perennial (family Haloragaceae). The hybrid plant tends to be more aggressive than the invasive parent species. All invasive species have a native habitat somewhere, many invasive aquatic plants were first transported as ornamental aquarium plants. Weed Technology 14(3):511-518. Watermilfoil forms dense mats that shade native aquatic plants, inhibit water flow, and hamper recreation Is It Here Yet? 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